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8

Set 2: Quadratic Equations (Beginner)

Explanation

Answer: D

PROBLEM

Solve: 3x squared = 108. Find the positive value of x.

Solve: 3x squared = 108. Find the positive value of x.

A.

4

B.

7

C.

5

D.

6

✓ Correct

Detailed Explanation

Choice D is the best answer. x squared = 108/3 = 36. x = 6

Why others are wrong:
A: 4 is incorrect because it does not satisfy the equation.
B: 7 is incorrect because it does not satisfy the equation.
C: 5 is incorrect because it does not satisfy the equation.
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